The LEM3225T181J is a wire-wound ferrite inductor manufactured by Taiyo Yuden. This inductor is part of the LEM3225 series, known for its compact size and excellent electrical characteristics. It is designed for various high-frequency applications, offering a balance of inductance, impedance, and current handling capability.

Applications

• Power supplies: Used for DC-DC conversion, filtering, and voltage regulation.
• High-frequency circuits: Suitable for RF impedance matching and filter circuits.
• Wireless communication devices: Found in smartphones, tablets, and other wireless devices for impedance matching and filtering.
• Consumer electronics: Employed in various electronic devices such as audio equipment, televisions, and gaming consoles.
• Noise suppression: Can be used for noise filtering on signal and power lines.

Features

• Small Size: 3.2 x 2.5 mm footprint makes it ideal for compact devices.
• Wire-Wound Construction: Ensures high Q-factor and excellent impedance characteristics.
• Ferrite Core: Provides high inductance value in a small form factor.
• High Self-Resonant Frequency: Enables performance in high-frequency applications.
• RoHS Compliant: Environmentally friendly due to compliance with RoHS standards.

Benefits

• Effective Noise Suppression: Provides excellent noise filtering in power and signal lines.
• Stable Inductance: Maintains stable performance across a wide frequency and temperature range.
• High Efficiency: Minimizes power loss in DC-DC converters and other power applications.
• Compact Design: Facilitates miniaturization of electronic devices.
• Reliable Performance: Guarantees reliable operation in various applications.

Additional Details

The LEM3225T181J has an inductance value of 180 nH with a tolerance of ±5%. Its self-resonant frequency (SRF) is typically in the high MHz range, making it suitable for high-frequency applications. The operating temperature range typically spans from -40°C to +125°C. It is designed for automated surface mount assembly, which facilitates high-volume manufacturing processes. This inductor is also commonly used in matching circuits and RF filters to optimize signal transmission and reception.